Vaccine uptake may be predicted in large part by whether or not vaccinations are accepted. This has ramifications for public health since unvaccinated people are more likely to get illnesses that vaccines can prevent. Our purpose in conducting this systematic literature review was to analyse parents commitment to the childs vaccination schedule.We conducted a comprehensive literature search for studies published between January 2012 and present that used instruments to gauge vaccine-related attitudes and convictions. Included studies surveyed parents quantitatively to determine their opinions on paediatric immunizations. We compiled the data with an emphasis on how well the various methods of measuring hesitation performed. A total of 16 studies were included because they satisfied the inclusion criteria 13 of these used a cross-sectional research design, 2 used a case-control study design, 1 used a pre-post study design. There was a wide variance in study sample sizes from 49 to 12,259. The PACV Survey of Parents Opinions on Childrens Vaccines was the instrument most often used. The Health Belief Model was the most popular theoretical framework. There was a broad range of questions designed to elicit opinions on vaccinations.The studies that polled parents about their thoughts on immunization utilized a wide variety of questionnaires. Validated and standardized but adaptable tools might enhance methods for measuring parents perspectives on immunization. It is recommended that researchers in this field use a standardized set of questions.